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Open nowFirst seen 3 days ago

Team Lead, Network & Collaboration

Sigma Consulting Group570 open roles

Where
Lagos, Nigeria
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Your applicationOpen nowTeam Lead, Network & CollaborationSigma Consulting Group · Lagos, Nigeria

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The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: first seen 3 days ago

The posting

Team Lead, Network & Collaboration

Location: Lagos (Hybrid 3 days onsite, 2 days remote)

Employment Type: Full Time

Experience Level: 5 - 7 Years

Salary Range: 800,000 - 1,000,000 Monthly

Industry: Information Technology (Digital Transformation, Network Solutions, Security Solutions, Microsoft Solutions, Cloud Solutions, Managed IT Services)

Job Summary

The Team Lead, Network & Collaboration will be responsible for leading a team that designs, implements, maintains, and supports complex communication and network infrastructures within the organization and across client environments. The role ensures the integrity, performance, and high availability of network systems that support business operations.

The ideal candidate will be an experienced network professional with proven expertise in designing scalable, secure, and resilient infrastructures that align with business goals and service-level agreements (SLAs). The position requires strong leadership, technical excellence, and a passion for delivering cutting-edge collaboration and connectivity solutions.

Key Responsibilities

Network Design & Implementation

  • Design and configure routing, switching, and wireless network equipment.
  • Design and implement communication and collaboration solutions including voice (IP/Traditional), telepresence, contact center, and multimedia systems.
  • Design and deploy enterprise mobility, system monitoring, and network security solutions.
  • Configure and install network devices and services such as routers, switches, firewalls, load balancers, VPN, and QoS.
  • Establish and maintain system configurations, enforce standards, and document procedures.

Maintenance & Support

  • Provide Level 1 & 2 technical support, remote troubleshooting, and fault resolution.
  • Conduct regular system maintenance, upgrades, and patch management.
  • Monitor network performance, system availability, and reliability.
  • Support on-site engineers and end users remotely.
  • Liaise with project managers and senior engineers to resolve escalated technical issues.

Technical Leadership & Collaboration

  • Lead a multidisciplinary technical team to achieve project and operational objectives.
  • Provide mentorship, guidance, and performance oversight for network engineers and support staff.
  • Collaborate with Sales, Engineering, and Service teams to ensure solutions meet client requirements.
  • Contribute to proposal development, RFIs, and RFPs by providing accurate technical inputs.
  • Deliver product demonstrations, proof of concepts (POCs), and client presentations.
  • Support technical qualification of sales opportunities and ensure successful deal closure.

Security & Compliance

  • Provide professional network security expertise and participate in developing security solutions.
  • Implement access control mechanisms and participate in security incident management.
  • Conduct vulnerability assessments, recommend corrective actions, and ensure compliance with security standards.
  • Lead the development of IT network security procedures and operational standards.

Project Management & Innovation

  • Plan, monitor, and control network projects using PMBOK or PRINCE2 methodology.
  • Identify opportunities to leverage IT for addressing complex organizational challenges.
  • Ensure that all networking solutions are cost-effective, scalable, and aligned with company strategy.
  • Stay current with emerging technologies, best practices, and industry trends.
  • Report operational status, performance metrics, and improvement plans to management.

Qualifications & Experience

  • Education: Bachelors Degree in Computer Science, Information Technology, Engineering, or related disciplines. A Masters Degree will be an added advantage.
  • Certifications: CCNP (Cisco Certified Network Professional) Required CCNP Collaboration, CCNP Security, ITIL, or Sophos Certified Engineer Added advantage
  • Experience: Minimum of 5 - 7 years relevant experience in ICT, Telecoms, or related sectors, with proven hands-on experience in network design, configuration, and administration.
  • Technical Expertise: In-depth knowledge of LAN, WAN, MAN, and GAN architectures Strong command of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS) Comprehensive understanding of OSI and TCP/IP models Experience with network diagnostic and analytics tools

Skills & Competencies

  • Proven leadership and team management skills
  • Strong analytical and problem-solving abilities
  • Excellent communication and presentation skills
  • Ability to manage multiple projects and prioritize effectively under pressure
  • High attention to detail with excellent organizational skills
  • Ability to explain technical concepts to non-technical stakeholders
  • Customer-oriented with strong interpersonal and collaboration skills
  • Willingness to travel when required

Application Method

Interested and qualified candidates should submit their CV to: [email protected], using Team Lead, Network & Collaboration as the subject of the email.

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